Motherboard PRIME B350-PLUS
E12581 Second Edition February 2017 Copyright © 2017 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Contents Safety information....................................................................................... iv About this guide.......................................................................................... iv Package contents........................................................................................ vi PRIME B350-PLUS specifications summary............................................. vi Chapter 1: Product introduction 1.1 Before you proceed...............................
Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
Where to find more information Refer to the following sources for additional information and for product and software updates. 1. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. 2. Optional documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. These documents are not part of the standard package.
Package contents Check your motherboard package for the following items. Motherboard ASUS PRIME B350-PLUS motherboard Cables 2 x Serial ATA 6.0 Gb/s cables Accessories 1 x I/O shield 1 x M.2 screw package Application DVD 1 x Support DVD Documentation 1 x User Manual If any of the above items is damaged or missing, contact your retailer.
PRIME B350-PLUS specifications summary 6 x Serial ATA 6.0 Gb/s connectors with RAID 0, RAID 1 and RAID 10 support AMD Ryzen™ processors: - 1 x M.2 socket 3 with M Key, Type 2242/2260/2280/22110 (PCIe 3.0 x4 and SATA modes) storage devices support* Storage * W hen a SATA / PCIe mode M.2 device is installed, the M.2 socket shares bandwidth with the SATA6G_5/6 ports. AMD 7th Generation A-series / Athlon™ processors: - 1 x M.2 socket 3 with M Key, Type 2242/2260/2280/22110 (PCIE 3.
PRIME B350-PLUS specifications summary 1 x PS/2 keyboard/mouse combo port 1 x HDMI port 1 x DVI-D port Rear panel I/O ports 1 x D-Sub port 1 x LAN (RJ-45) port 2 x USB 3.1 ports (teal blue, Type A) 4 x USB 3.0/2.0 ports 2 x USB 2.0/1.1 ports 3 x Audio jacks support 8-channel audio output 1 x USB 3.0 connector support additional 2 USB 3.0 ports 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0/1.1 ports 1 x M.
1 Product introduction 1.1 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. 1.2 • Unplug the power cord from the wall socket before touching any component. • Before handling components, use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, to avoid damaging them due to static electricity.
1.2.1 Layout contents Page Connectors/Jumpers/Slots/LED 1. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 1-2 2. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2) 1-2 3. Fan RGB header (4-pin FAN_RGB_HEADER) 1-3 4. M.2 Socket 3 1-3 5. AMD AM4 CPU socket 1-3 6. DDR4 DIMM slots 1-4 7. AMD B350 SATA 6.0Gb/s ports (SATA6G_1~6) 1-4 8. System panel connector (20-5 pin PANEL) 1-4 9. USB 3.0 connector (20-1 pin USB3_12) 1-4 10. USB 2.
GND CHA FAN PWR CHA FAN IN CHA FAN PWM CHA_FAN2 CHA FAN PWM CHA FAN IN CHA FAN PWR GND CHA_FAN1 Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! The CPU_FAN connector supports a CPU fan of maximum 1A (12 W) fan power. GND CPU FAN PWM CPU FAN IN CPU FAN PWR CPU_FAN 3.
6. DDR4 DIMM slots Install 2 GB, 4 GB, 8 GB, and 16 GB unbuffered ECC and non-ECC DDR4 DIMMs into these DIMM sockets. For more details, refer to System memory. AMD B350 SATA 6.0Gb/s ports (7-pin SATA6G_1~6) SATA6G These ports connect to SATA 6.0 Gb/s hard disk drives via SATA 6.0 Gb/s signal cables. System panel connector (20-5 pin PANEL) This 4-pin connector is for the system power LED. Connect the chassis power LED cable to this connector.
USB 2.0 connectors (10-1 pin USB3~6) USB34 PIN 1 Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! Serial port connector (10-1 pin COM) COM RXD DTR DSR CTS This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis.
. Clear RTC RAM (2-pin CLRTC) This header allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. To erase the RTC RAM: Turn OFF the computer and unplug the power cord. 2. Use a metal object such as a screwdriver to short the two pins. 3.
IRQ assignments for this motherboard • For 7th Generation A-series / Athlon™ processors A B C D E F G H PCIEx16_1 – – – shared – – – – PCIEx16_2 shared – – – – – – – PCIEx1_1 – – shared – – – – – PCIEx1_2 – – – shared – – – – PCI_1 shared – – – – – – – PCI_2 – shared – – – – – – M.2 – – – shared – – – – CPU USB3.
1.2.2 Rear panel connectors 1 2 11 10 3 4 9 5 6 7 3 8 1. PS/2 keyboard/mouse combo port. This port is for a PS/2 mouse or keyboard. 2. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other VGA-compatible devices. 3. USB 3.0 ports. These two 9-pin Universal Serial Bus (USB) ports connect to USB 3.0/2.0 devices. • USB 3.0 devices can only be used for data storage. • Due to the design of AMD AM4 series chipset, all USB devices connected to the USB 2.0 and USB 3.
Audio 2.1, 4.1, 5.1, or 7.1-channel configuration Port Light Blue (Rear panel) Lime (Rear panel) Pink (Rear panel) Lime (Front panel) Headset 2.1-channel Line In Line Out Mic In - 4.1-channel Rear Speaker Out Front Speaker Out Mic In - 5.1-channel Rear Speaker Out Front Speaker Out Bass/Center - 7.1-channel Rear Speaker Out Front Speaker Out Bass/Center Side Speaker Out 9. HDMI port.
1.3 Central Processing Unit (CPU) The motherboard comes with an AMD AM4 socket designed for AMD Ryzen™ / 7th Generation A-series / Athlon™ processors. Unplug all power cables before installing the CPU. The AM4 socket has a different pinout from the FM2+/FM2 socket. Ensure that you use a CPU designed for the AM4 socket. The CPU fits in only one correct orientation.
Installing the CPU heatsink and fan assembly Type 1 1 2 3 4 Type 2 1 2 Remove the screws and the retention module only. Do not remove the plate on the bottom.
1.4 System memory Overview This motherboard comes with four Double Data Rate 4 (DDR4) Dual Inline Memory Module (DIMM) sockets. The figure illustrates the location of the DDR4 DIMM sockets: Sockets DIMM_A1 DIMM_A2 Channel DIMM_B1 DIMM_B2 Channel A DIMM_A1 & DIMM_A2 Channel B DIMM_B1 & DIMM_B2 • You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration.
Installing a DIMM 2 1 A A B To remove a DIMM A B ASUS PRIME B350-PLUS 1-13
BIOS information 2.1 Managing and updating your BIOS 2 Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 EZ Update EZ Update is a utility that allows you to automatically update your motherboard’s softwares, drivers and the BIOS version easily. With this utlity, you can also manually update the saved BIOS and select a boot logo when the system goes into POST.
2.1.2 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to update the BIOS without using an OS‑based utility. • Ensure that you load the BIOS default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu. • Check your Internet connection before updating the BIOS via the Internet. To update the BIOS using EZ Flash 3: 1. Enter the Advanced Mode of the BIOS setup program.
2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the updated BIOS file. • Before using this utility, rename the BIOS file in the removable device into PRB350PS.CAP. • The BIOS file in the support DVD may not be the latest version.
Booting the system in DOS environment To boot the system in DOS: 1. Insert the USB flash drive with the latest BIOS file and BIOS Updater to the USB port. 2. Boot your computer then press to launch the select boot device screen. 3. When the select boot device screen appears, insert the Support DVD into the optical drive then select the optical drive as the boot device. When the booting message appears, press within five (5) seconds to enter FreeDOS prompt.
2.2 BIOS setup program Use the BIOS Setup program to update the BIOS or configure its parameters. The BIOS screens include navigation keys and brief online help to guide you in using the BIOS Setup program. Entering BIOS Setup at startup To enter BIOS Setup at startup: • Press or during the Power-On Self Test (POST). If you do not press or , POST continues with its routines.
2.2.1 EZ Mode By default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you an overview of the basic system information, and allows you to select the display language, system performance mode, fan profile and boot device priority. To access the Advanced Mode, click Advanced Mode(F7) or press . The default screen for entering the BIOS setup program can be changed. Go to the Setup Mode item in the Boot menu.
2.2.2 Advanced Mode The Advanced Mode provides advanced options for experienced end-users to configure the BIOS settings. The figure below shows an example of the Advanced Mode. Refer to the following sections for the detailed configurations. To access the EZ Mode, click EzMode(F7) or press .
Menu bar The menu bar on top of the screen has the following main items: My Favorites For saving the frequently-used system settings and configuration Main For changing the basic system configuration Ai Tweaker For changing the overclocking settings Advanced Boot For changing the advanced system settings For displaying the system temperature, power status, and changing the fan settings For changing the system boot configuration Tool Exit For configuring options for special functions For selecting the
Configuration fields These fields show the values for the menu items. If an item is user-configurable, you can change the value of the field opposite the item. You cannot select an item that is not user-configurable. A configurable field is highlighted when selected. To change the value of a field, select it and press to display a list of options. Last Modified button This button shows the items that you last modified and saved in BIOS Setup.
2.3 Exit menu The Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes to the BIOS items. You can access the EZ Mode from the Exit menu. Load Optimized Defaults This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press , a confirmation window appears. Select OK to load the default values.
Appendix Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference. • This device must accept any interference received including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. This class B digital apparatus complies with Canadian ICES-003.
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ASUS contact information ASUSTeK COMPUTER INC. Address Telephone Fax Web site Technical Support Telephone Fax Online support 4F, No. 150, Li-Te Road, Peitou, Taipei 112, Taiwan +886-2-2894-3447 +886-2-2890-7798 www.asus.com +86-21-38429911 +86-21-5866-8722, ext. 9101# http://qr.asus.com/techserv ASUS COMPUTER INTERNATIONAL (America) Address 800 Corporate Way, Fremont, CA 94539, USA Telephone +1-510-739-3777 Fax +1-510-608-4555 Web site http://www.asus.
DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Asus Computer International Responsible Party Name: 800 Corporate Way, Fremont, CA 94539. Address: Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : Motherboard Model Number : PRIME B350-PLUS Conforms to the following specifications: FCC Part 15, Subpart B, Unintentional Radiators Supplementary Information: This device complies with part 15 of the FCC Rules.
